154006772504117 has 4 divisors (see below), whose sum is σ = 165853447312140. Its totient is φ = 142160097696096.

The previous prime is 154006772504113. The next prime is 154006772504131. The reversal of 154006772504117 is 711405277600451.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9428056224196 + 144578716279921 = 3070514^2 + 12024089^2 .

It is a cyclic number.

It is not a de Polignac number, because 154006772504117 - 2² = 154006772504113 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154006772504113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5923337403992 + ... + 5923337404017.

It is an arithmetic number, because the mean of its divisors is an integer number (41463361828035).

Almost surely, 2^{154006772504117} is an apocalyptic number.

It is an amenable number.

154006772504117 is a deficient number, since it is larger than the sum of its proper divisors (11846674808023).

154006772504117 is a wasteful number, since it uses less digits than its factorization.

154006772504117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11846674808022.

The product of its (nonzero) digits is 1646400, while the sum is 50.

The spelling of 154006772504117 in words is "one hundred fifty-four trillion, six billion, seven hundred seventy-two million, five hundred four thousand, one hundred seventeen".